Table 5.
Moderating role of number of alcoholic drinks on the relationships between sleep and physical activity
| Total physical activity duration | Vigorous physical activity duration | |
|---|---|---|
| Total sleep duration | b (SE) | b (SE) |
| Intercept | 151.44 (15.18)*** | 7.66 (1.64)*** |
| Day | 1.58 (2.94) | 0.59 (0.42) |
| Age | 0.05 (1.43) | −0.14 (0.15) |
| Gender | 14.97 (24.60) | −1.37 (2.59) |
| Sleep (WP) | −0.07 (0.07) | −0.01 (0.01) |
| Sleep (BP) | −0.66 (0.25)* | −0.03 (0.03) |
| Alcohol use (WP) | −5.24 (4.36) | −0.33 (0.62) |
| Alcohol use (BP) | 10.65 (18.43) | −0.14 (1.99) |
| Sleep (WP)*Alcohol use (WP) | −0.07 (0.05) | −0.002 (0.01) |
| Sleep (BP)*Alcohol use (BP) | −0.39 (0.41) | −0.02 (0.04) |
| Sleep (WP)*Alcohol use (BP) | −0.17 (0.11) | 0.01 (0.02) |
| Sleep fragmentation | b (SE) | b (SE) |
| Intercept | 141.64 (15.38)*** | 6.76 (1.58)*** |
| Day | 1.46 (2.98) | 0.56 (0.42) |
| Age | −0.45 (1.51) | −0.13 (0.15) |
| Gender | 41.23 (24.06) | 0.43 (2.42) |
| Sleep (WP) | 0.71 (0.94) | −0.09 (0.13) |
| Sleep (BP) | 0.83 (2.48) | −0.33 (0.24) |
| Alcohol use (WP) | −6.63 (4.45) | −.22 (0.63) |
| Alcohol use (BP) | 6.71 (20.77) | −0.99 (2.10) |
| Sleep (WP)*Alcohol use (WP) | 0.13 (0.99) | 0.10 (0.13) |
| Sleep (BP)*Alcohol use (BP) | −6.19 (3.46) | 0.09 (0.35) |
| Sleep (WP)*Alcohol use (BP) | −0.76 (1.32) | −0.004 (0.19) |
| WASO | b (SE) | b (SE) |
| Intercept | 147.12 (15.58)*** | 7.24 (1.58)*** |
| Day | 1.70 (2.98) | 0.57 (0.42) |
| Age | −0.04 (1.51) | −0.10 (0.15) |
| Gender | 33.46 (24.15) | −0.73 (2.39) |
| Sleep (WP) | 0.06 (0.36) | −0.02 (0.05) |
| Sleep (BP) | −0.57 (1.00) | −0.21 (0.10)* |
| Alcohol use (WP) | −7.90 (4.41) | −0.32 (0.62) |
| Alcohol use (BP) | 13.27 (20.22) | −0.33 (2.03) |
| Sleep (WP)*Alcohol use (WP) | −0.41 (0.35) | −0.01 (0.05) |
| Sleep (BP)*Alcohol use (BP) | −3.16 (1.54)* | 0.06 (0.15) |
| Sleep (WP)*Alcohol use (BP) | 0.10 (0.48) | 0.01 (0.07) |
wp = within-person. bp = between-person. Table reports unstandardized coefficients (b) with standard errors (SE) in parentheses.
*p < .05, **p < .01, ***p < .001.